Cathar's Call is a uncommon Enchantment — Aura card from Innistrad: Midnight Hunt (MID), collector number 11. Current market price: $0.26 (foil $0.32), TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature has vigilance and "At the beginning of your end step, create a 1/1 white Human creature token."